High Precision Diamond Tester: The professional diamond dial will indicate true or fake diamonds, LCD monitors and LED indicators. Compared to the second generation, its sensitivity and precision have been improved considerably.Portable Design: Diamond Selector II is equipped with a PU bag and a small test tray to hold loose stones. Designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise. The tester is lightweight, compact (size of credit card) and easy to transport.Small Test Platform: This tester is equipped with a PU housing and a small test platform for repairing loose stones. Simple calibration of precious stones of all sizes is easy for beginners.In order to let you carry it better, we have a special leather case storage bag! Suitable for carrying when going out for appraisalProfessional Test: If the stone is a real diamond, a green indicator will be displayed. The metal alarm function emits a continuous beep when the user accidentally touches the metal instead of the stone.Versatile: The tester offers a highly compact design that is ideal for buying jewelry, buying / exchanging diamonds, selling real estate, products, etc. The cost of Diamond Selector III is not even a fraction of the cost of diamonds, but it can help you feel better knowing that you are buying real diamonds instead of fakes. Features: 1. Lightweight and compact in size, easy and convenient to carry. 2. Diamond Selector II can help you to distinguish whether your diamond is real or fake. 3. Diamond Selector II is equipped with a PU bag and small testing tray for holding loose stones. 4. Green indicator will be showed on Diamond Selector II if the stone is a real diamond. It will make continuous buzzing sound when user accidentally touches metal rather than stone. 5. Moissanite Tester is a matching instrument with the Diamond Selector II. It is only used for the distinction of colorless Moissanite. 6. Non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Moissanite Tester. 7. After 10 minutes' use of Moissanite Tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument. Specification: Condition: 100% Brand New Item Type: Jewelry Tool Material: Plastic Color: As Shown in the Picture Diamond Selector II Size: Approx. 16 * 4 * 2.1cm / 6.30 * 1.57 * 0.83inch Diamond Selector II Battery: 9V (Included) Moissanite Tester Size: Approx. 2.2 * 4 * 16cm / 0.87 * 1.57 * 6.30inch Moissanite Tester Battery: 9V (Included) Weight: Approx. 325g Package List: 1 * Diamond Selector II 1 * Moissanite Tester 2 * Manuals 2 * Trays 2 * Batteries (9V) Note for Moissanite Tester: 1. The probe of this instrument is very sensitive. It should wear the PU bag to be protected when not in use. 2. Low power battery should be replaced in real time to ensure accurate detection 3. Take out the battery if it will not be used for a long time. 4. For correct testing, it is recommended that you take a calibration adjustment after annual maintenance.